protected virtual void CreateDevice()
{
uint queuePriorities = 0;
var queueCreateInfo = new DeviceQueueCreateInfo
{
StructureType = StructureType.DeviceQueueCreateInfo,
QueueFamilyIndex = 0,
QueueCount = 1,
QueuePriorities = new IntPtr(&queuePriorities)
};
var enabledLayerNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_LAYER_LUNARG_standard_validation"),
};
var enabledExtensionNames = new[]
{
Marshal.StringToHGlobalAnsi("VK_KHR_swapchain"),
};
try
{
fixed (void* enabledLayerNamesPointer = &enabledLayerNames[0])
fixed (void* enabledExtensionNamesPointer = &enabledExtensionNames[0])
{
var enabledFeatures = new PhysicalDeviceFeatures
{
ShaderClipDistance = true,
};
var deviceCreateInfo = new DeviceCreateInfo
{
StructureType = StructureType.DeviceCreateInfo,
QueueCreateInfoCount = 1,
QueueCreateInfos = new IntPtr(&queueCreateInfo),
EnabledExtensionCount = (uint)enabledExtensionNames.Length,
EnabledExtensionNames = new IntPtr(enabledExtensionNamesPointer),
EnabledFeatures = new IntPtr(&enabledFeatures)
};
if (validate)
{
deviceCreateInfo.EnabledLayerCount = (uint)enabledLayerNames.Length;
deviceCreateInfo.EnabledLayerNames = new IntPtr(enabledLayerNamesPointer);
}
device = physicalDevice.CreateDevice(ref deviceCreateInfo);
}
}
finally
{
foreach (var enabledExtensionName in enabledExtensionNames)
Marshal.FreeHGlobal(enabledExtensionName);
foreach (var enabledLayerName in enabledLayerNames)
Marshal.FreeHGlobal(enabledLayerName);
}
var queueNodeIndex = physicalDevice.QueueFamilyProperties.
Where((properties, index) => (properties.QueueFlags & QueueFlags.Graphics) != 0 && physicalDevice.GetSurfaceSupport((uint)index, surface)).
Select((properties, index) => index).First();
queue = device.GetQueue(0, (uint)queueNodeIndex);
}
internal static unsafe extern Result vkQueueWaitIdle(Queue queue);
internal static unsafe extern Result vkQueueSubmit(Queue queue, uint submitCount, SubmitInfo* submits, Fence fence);
internal static unsafe extern Result vkQueuePresentKHR(Queue queue, PresentInfo* presentInfo);
internal static unsafe extern Result vkQueueBindSparse(Queue queue, uint bindInfoCount, BindSparseInfo* bindInfo, Fence fence);
internal static unsafe extern void vkGetDeviceQueue(Device device, uint queueFamilyIndex, uint queueIndex, Queue* queue);